51957258 has 8 divisors (see below), whose sum is σ = 103914528. Its totient is φ = 17319084.

The previous prime is 51957233. The next prime is 51957277. The reversal of 51957258 is 85275915.

It is a sphenic number, since it is the product of 3 distinct primes.

51957258 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4329766 + ... + 4329777.

It is an arithmetic number, because the mean of its divisors is an integer number (12989316).

Almost surely, 2^51957258 is an apocalyptic number.

51957258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51957258 is a wasteful number, since it uses less digits than its factorization.

51957258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659548.

The product of its digits is 126000, while the sum is 42.

The square root of 51957258 is about 7208.1383172078. The cubic root of 51957258 is about 373.1488216289.

The spelling of 51957258 in words is "fifty-one million, nine hundred fifty-seven thousand, two hundred fifty-eight".